&nbsp521 &nbspFXUS01 KWBC 311920 &nbspPMDSPD &nbsp &nbspSHORT RANGE FORECAST DISCUSSION &nbspNWS WEATHER PREDICTION CENTER COLLEGE PARK MD &nbsp319 PM EDT WED OCT 31 2018 &nbsp &nbspVALID 00Z THU NOV 01 2018 - 00Z SAT NOV 03 2018 &nbsp &nbsp...ENHANCED RISK OF SEVERE THUNDERSTORMS FROM SOUTHEASTERN TEXAS &nbspINTO THE LOWER MISSISSIPPI VALLEY THROUGH TONIGHT, WITH A SLIGHT &nbspRISK CONTINUING ALONG THE CENTRAL GULF COAST DURING THE DAY ON &nbspTHURSDAY... &nbsp &nbsp...WIDESPREAD HEAVY RAINFALL EXPECTED NEAR A COLD FRONT FROM THE &nbspSOUTHERN PLAINS/GULF COAST NORTHWARD TO THE OHIO VALLEY AND LOWER &nbspGREAT LAKES THROUGH THURSDAY NIGHT... &nbsp &nbsp...CRITICAL FIRE WEATHER CONDITIONS FOR PORTIONS OF SOUTHERN &nbspCALIFORNIA TODAY, FOLLOWED BY AN ELEVATED RISK ON THURSDAY... &nbsp &nbspA COLD FRONT WILL MOVE THROUGH TEXAS AND LOUISIANA TONIGHT &nbspBRINGING A SIGNIFICANT DROP IN TEMPERATURES WITH HIGHS FALLING &nbspFROM HALLOWEEN'S 80S/90S TO THE 70S FOR THURSDAY. GIVEN FAVORABLE &nbspWINDS ALOFT AHEAD OF THE COLD FRONT, STRONG TO SEVERE &nbspTHUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING AND CONTINUE &nbspTHROUGH THURSDAY MORNING WITH THE GREATEST THREATS COMING FROM &nbspTORNADOES AND DAMAGING STRAIGHT LINE WINDS. AS HIGHLIGHTED BY THE &nbspSTORM PREDICTION CENTER, A SLIGHT RISK OF SEVERE THUNDERSTORMS &nbspWILL REMAIN ON THURSDAY FOR PORTIONS OF THE CENTRAL GULF COAST. &nbsp &nbspTHE OTHER HAZARD ASSOCIATED WITH THIS FRONTAL SYSTEM WILL BE HEAVY &nbspRAIN. TWO TO FOUR INCHES OF RAIN IS FORECAST FROM SOUTHEASTERN &nbspTEXAS INTO AND ALONG THE CENTRAL GULF COAST THROUGH THURSDAY, WITH &nbspSIMILAR TOTALS (LOCALLY HIGHER) FROM THE MID-MISSISSIPPI VALLEY &nbspINTO THE OHIO VALLEY THROUGH EARLY THURSDAY NIGHT. ANOMALOUS &nbspMOISTURE NEAR AND AHEAD OF THE FRONT ALONG WITH SLOW MOVEMENT WILL &nbspGENERATE POSSIBLE FLOOD AND FLASH FLOOD CONDITIONS ACROSS A LARGE &nbspPORTION OF REAL ESTATE COVERING LOCATIONS FROM THE GULF COAST TO &nbspTHE LOWER GREAT LAKES THROUGH FRIDAY MORNING. MAXIMUM TEMPERATURES &nbspWILL RANGE 10-15 DEGREES ABOVE AVERAGE AHEAD OF THE COLD FRONT AND &nbspAVERAGE UP TO 10 DEGREES BELOW AVERAGE IN THE IMMEDIATE WAKE OF &nbspTHE COLD FRONT. &nbsp &nbspSOUTHERN CALIFORNIA WILL CONTINUE TO SEE CRITICAL FIRE WEATHER &nbspCONDITIONS TODAY WITH LOW RELATIVE HUMIDITIES AND STRONG/GUSTY &nbspWINDS. WINDS ARE FORECAST TO SUBSIDE INTO THURSDAY MORNING &nbspRELATIVE TO THE DAY ON WEDNESDAY BUT SHOULD CONTINUE TO MAINTAIN &nbspAN ELEVATED RISK ACROSS PORTIONS OF SOUTHERN CALIFORNIA ON &nbspTHURSDAY INCLUDING THE SANTA ANA REGION. &nbsp &nbspELSEWHERE ACROSS THE WEST, SCATTERED RAIN SHOWERS WILL CONTINUE &nbspACROSS THE PACIFIC NORTHWEST THROUGH MUCH OF THURSDAY WITH VARYING &nbspINTENSITY WITH A TEMPORARY BREAK LATE THURSDAY AFTERNOON INTO THE &nbspEVENING. HOWEVER, A COLD FRONT WILL BRING A RENEWED SURGE OF HEAVY &nbspRAIN BY FRIDAY MORNING ACROSS WESTERN WASHINGTON, QUICKLY DROPPING &nbspSOUTH INTO OREGON AND INTERIOR PORTIONS OF THE NORTHWEST DURING &nbspTHE DAY ON FRIDAY WITH HIGHER ELEVATION SNOW INTO IDAHO, MONTANA &nbspAND WYOMING. &nbsp &nbspOTTO &nbsp &nbspGRAPHICS AVAILABLE AT &nbspWWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP &nbsp &nbsp